212021322239 has 2 divisors, whose sum is σ = 212021322240. Its totient is φ = 212021322238.

The previous prime is 212021322209. The next prime is 212021322397. The reversal of 212021322239 is 932223120212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212021322239 - 2²⁸ = 211752886783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021322209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010661119 + 106010661120.

It is an arithmetic number, because the mean of its divisors is an integer number (106010661120).

Almost surely, 2^212021322239 is an apocalyptic number.

212021322239 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021322239 is an equidigital number, since it uses as much as digits as its factorization.

212021322239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 212021322239 in words is "two hundred twelve billion, twenty-one million, three hundred twenty-two thousand, two hundred thirty-nine".